- Consulted
with various MEMS sensor and semiconductor packaging, process flow,
integration, packaging materials, reliability and failure analysis
- Technology
development of MEMS product (automotive, medical device) packaging &
test, materials selection, BOM, FMEA, failure analysis
- wafer
level bonding process (anodic, glass frit), die attach process development
- Developed
CMOS sensor camera module packaging technology, selection of materials,
define packaging & assembly FOL/EOL process flow
- Led
global reliability teams, developed reliability test plan, module stress analysis, failure mechanism, reliability
data modeling and lifetime analysis
- Led
VistaPoint global Failure Analysis teams to address various failure issues
associated materials, process, reliability, design, and drove corrective
actions
- Interfaced
with customers, substrate and sensor suppliers for reliability issues
- Developed
Intel 1268/1269/1270 and other key customers wafer test micro-probe card,
packaging, and assembly process, BOM, and product qualification
- Developed
critical dimension of devices, process spec and definition, MEMS probe
transient and steady state thermal analysis & reliability, procurement
of tools, metrology development, and Gage R&R
- HVM
Process SPC control, and continuous improvement, FMEA, indicators and mass
data statistical analysis, product characterization and failure analysis
with external labs
- Acted
as a technical lead engineer of materials core competency (SJR chip level
packaging and board level assembly) in ATTD
- P1268
materials ownership: platform 1268 & 1269 flip chip development,
underfill, Die side capacitor paste, SLI BGA lead free paste materials,
materials compatibility and interaction
- P1270
flip chip and assembly BGA SMT pathfinding technology development
- Led
modules, FA, Q&R, design, characterization lab, materials suppliers,
and worked with subcon: development of assembly materials, process, root
causes and troubleshooting in flip chip, die attach, wire bonding, ball
attach, and SMT board level assembly
- Selected
and qualified assembly materials/process: programs including 1265 (Stacked
CSP package), Freeville (board level lead free paste full qualification)
and wireless WiMAX (die attach, FC/WB, molding, SMT) RF SIP, MCM, POP
programs, supplier management
- Designed
package and materials meeting reliability/thermal/mechanical requirements,
modeling.
- Developed SMT electronic
materials lead & lead free solder paste and flux/thinner, underfills
- Supervised and managed analysis
of materials and quality control by Thermal ARL, FTIR, SEM, Testing lab
maintenance and calibration
- GMP manufacturing process
capability/control chart and SPC analysis, R&R
- Quality improvement (ISO QMS
9001 & EMS 14001 and for Japanese company audits) and internal audit;
Customer and internal corrective action, root causes, FMEA.
- Developed process and
technology for semiconductor equipment parts precision cleaning, wet and
dry etching, commercial services
- Developed advanced application
of analytic tools for contaminated & cleaned parts, and chemical
solutions for semiconductor industry, report preparation and presentation
for customers
- Managed special research
projects, coordinated research and set direction between material division
and chemical division
- 3D mathematic simulation and
modeling of mass and heat transfer in porous media: MLC materials body
during binder burnout; Numerical computation of nonlinear, unsteady
partial differential equations.
- Pioneered novel approach:
reaction and sintering process kinetics of high temperature ceramic
composite materials coupled TGA, dilatometery and mass spectrometer
- Improved dielectric property of
semiconductor material SrTiO3, SrTiO3
synthesis, sintering, and coating, studied gas species, oxygen partial
pressure effect on structure and properties
- Evaluated effect of sintering
gas and temperature profiles on electronic material (PZT) microstructure,
properties, and density; silicon nitride and silicon carbide Si3N4/SiC
material processing, coating, tape and slip casting, and sintering.
- KNbO3 single crystal
growth at high temperature in melt solution by Czochralski (CZ) method.
- Preparation, thermal analysis,
crystallography and ferroelectrical behaviors of transparent LiNbO3
glass ceramics in SiO2 and TeO2 systems by DTA/TGA,
DSC, XRD, AFM, FTIR
- FORTRAN, C, MATLAB, FLOTHERM;
Statistics: JMP, SAS, Design of experiments (DOE), MCA, Numerical
Modeling, Solidwork
- Analytical Tools: Thermo ARL
analysis, LC-MS, GC, Mass Spectrometry, SEM/EDX, AFM, XRD, DTA, TGA, DSC,
ICP-MS, Dilatometer, Brookfield Rheometer, BET, FTIR, Raman, UV, TOF-SIMS,
CSAM, Curve Tracer, TDR
- B.S and M.S. Chemical Engineering, Dalian University of Technology
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